Alameda County  »  4240 Marsten Ave

4240 Marsten Avenue, Union City, CA 94587 Property Information

4240 Marsten Avenue, Union City, CA 94587 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Photo & Map Show Hide

4240 Marsten Avenue, Union City, CA 94587
static Mapbox map

Address

Primary address 4240 Marsten Avenue, Union City
Zip code 94587
County Alameda
Parcel ID 482-30-28

Sales & Tax Overview for 4240 Marsten Avenue, Union City

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Sale date 10/24/2001
Sale price $100,500
Arm's length
Property tax $4,918

Lot & Building Information for 4240 Marsten Avenue, Union City

Building sqft 1,518
Building class Single Family Residential Homes Used as Such (1100)
Acreage 0.11
Units 1
Year built 1952
Stories 1
Bedrooms 2
Bathrooms 1
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now

Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district Single Family Residential (RS 6000)
School district New Haven SCH

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 4240 Marsten Avenue, Union City

Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:

  • • Improvements for 4240 Marsten Avenue, Union City , including their type, square footage, grade and when they were built.
  • Development maps such as planimetric, zoning, land use and urban landscape maps (building age and stories).
Unlock all property data with a free account.
Sign up

About 4240 Marsten Avenue, Union City

What is the year built & the total sq. ft. for 4240 Marsten Avenue, Union City, CA 94587?

4240 Marsten Avenue, Union City, CA 94587 was built in 1952 and has a total of 1,518 square feet.

What is the assessed value of 4240 Marsten Avenue, Union City, CA 94587 and the property tax paid?

Assessed at $389,689, the tax amount paid for 4240 Marsten Avenue, Union City, CA 94587 is $4,918.

When was 4240 Marsten Avenue, Union City, CA 94587 last sold?

4240 Marsten Avenue, Union City, CA 94587 was last sold in 08/26/2003.

Ownership Information

View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.

Real Estate Reports:
Lucian Alixandrescu, May 27, 2026 NYC Office Market Ahead of National Curve: Manhattan Q1 Vacancy Drops to 13.1% 
New York City’s office market outpaced the U.S. on several major metrics in Q1, with Manhattan vacancy nearly 5 percentage points below the national benchmark, asking rents climbing against a downward national trend and flex inventory crossing 15 million square feet.
Laura Pop-Badiu, May 21, 2026 How to Find Land Boundaries: Free & Paid Methods
If you need to find land boundaries fast, you can start with a free county parcel/GIS viewer or a premium platform like PropertyShark to see an approximate parcel outline and lot data. However, keep in mind that a web-based land boundaries map is a starting point, not the legal finish line.
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Past Sales & Property History for 4240 Marsten Avenue, Union City

Create a free account to view the complete sales history for 4240 Marsten Avenue, Union City, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
10/24/2001 $100,500
11/24/1999 $90,000
08/28/1990 $185,000
       
       
Access the complete sales history for 4240 Marsten Avenue, Union City with a free account.
Sign up

*Here are the three most recent sales for this property.


Title Documents for 4240 Marsten Avenue, Union City

To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.

Date Type Amount Party 1 Party 2 Maturity Document Doc image
11/05/2025 Deed of trust
Assignment of rents
11/05/2025 Deed of trust
Assignment of rents
08/26/2003 Deed
10/24/2001 Deed
11/24/1999 Deed
11/24/1998 Deed
08/28/1990 Deed
Unlock title documents, including buyer and seller information (when available).
Sign up

R: Recorded date
D: Document date

Property Taxes for 4240 Marsten Avenue, Union City

Access detailed property tax data for 4240 Marsten Avenue, Union City, CA 94587. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax $4,918
Market value $389,689

Assessment History for 4240 Marsten Avenue, Union City

Here's the assessment & property tax history for 4240 Marsten Avenue, Union City, including the evolution of the total tax rate and corresponding property tax.

Year Assessment value Total tax rate Property tax Year over year change
2025-2026 $389,689 1.2621 $4,918 +4.15%
2024-2025 $382,049 1.236 $4,722 -21.54%
2023-2024 $374,559 1.6069 $6,019 +31.95%
2022-2023 $367,216 1.2422 $4,562 +2.25%
2021-2022 $360,017 1.2392 $4,461 +2.85%

Permits for 4240 Marsten Avenue, Union City

The complete history of permits filed for 4240 Marsten Avenue, Union City, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Data not available for this property.

Union City residential market stats

Median Sale Price
$1,284,000
-7% YoY
Median Price/Sqft
$759
-7.8% YoY
Alameda County Median Sale Price
$965,000
-7.1% YoY

Access a detailed real estate market overview of Union City so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Union City and compare it to other neighborhoods in Alameda County.

Check out recently sold homes in Union-City and see how their prices compare.

Risk

Create a free account to unlock extended information for 4240 Marsten Avenue, Union City, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).

FEMA flood zone(s) AE, X (See more on map)
Fire hazard zone See more on map
Faults and tsunami inundation zone map
Landslides and liquefaction map

Transportation

Access the detailed traffic volume map for 4240 Marsten Avenue, Union City to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

View daily traffic map

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
Alvarado Elementary School 4 Public K-5 660 0.39
Pioneer Elementary School 5 Public K-5 628 1.64
Tom Kitayama Elementary School 6 Public K-5 615 1.79
Peace Terrace Academy NR Private PK-8 178 1.80
Peace Terrace Academy NR Private PK-8 178 1.80

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Itliong-Vera Cruz Middle School 6 Public 6-8 1,102 0.43
Peace Terrace Academy NR Private PK-8 178 1.80
Cesar Chavez Middle School 4 Public 6-8 1,012 1.87
Union City Christian School NR Private K-12 71 2.65
Impact Academy of Arts and Technology 5 Charter 6-12 775 2.71

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Leadership Public Schools - Hayward 7 Charter 9-12 582 2.01
Mount Eden High School 5 Public 9-12 1,947 2.07
Union City Christian School NR Private K-12 71 2.65
Impact Academy of Arts and Technology 5 Charter 6-12 775 2.71
Kingdom Builder Christian Private School NR Private K-12 7 2.71

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 4240 Marsten Avenue, Union City

Here are the neighbors for 4240 Marsten Avenue, Union City.

Address Square feet Purchase date Purchase price
31456 Marlin CT, Union City 2,992 02/09/2006
31425 Marlin CT, Union City 2,708 05/13/2003
4310 Cambridge Way, Union City 2,080 12/19/2005 $825,000
4915 Horner St, Union City 08/06/2020
4890 Horner St, Union City 960 04/20/2023
4048 Marsten Ave, Union City 1,612 11/20/2013
31408 Marlin CT, Union City 2,455 07/10/2019
4381 Cambridge Way, Union City 2,080 03/13/2002
30842 Canterbury Way, Union City 2,070 11/03/2020 $562,500
31448 Marlin CT, Union City 2,797 06/28/2002
31416 Marlin CT, Union City 2,708 04/12/2013 $805,000
4425 Canterbury Way, Union City 2,070 12/29/2017 $1,070,000
4185 Marsten Ave, Union City 2,750 11/15/2021
31138 Bulmer St, Union City 1,748 12/23/2014 $499,000
4401 Canterbury Way, Union City 2,300 12/07/2016 $920,000
31153 Bulmer St, Union City 1,351 06/26/2014 $385,000
4176 Horner St, Union City 677 05/11/1988 $62,500
4090 Horner St, Union City 1,238 09/19/2022
4263 Marsten Ave, Union City 2,310 11/18/2022 $1,500,000
31417 Marlin CT, Union City 1,598 12/13/2001

Nearby ZIP Codes for 4240 Marsten Avenue, Union City

Not sure if we cover all the data-points you need? View sample full report View sample full report